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Sigma-Aldrich

Benzenesulfonyl isocyanate

95%

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About This Item

Linear Formula:
C6H5SO2NCO
CAS Number:
2845-62-7
Molecular Weight:
183.18
Beilstein:
743441
EC Number:
220-640-6
MDL number:
MFCD00007546
UNSPSC Code:
12352100
PubChem Substance ID:
24853891
NACRES:
NA.22

Quality Level

100

Assay

95%

form

liquid

refractive index

n20/D 1.536 (lit.)

bp

130 °C/9 mmHg (lit.)

density

1.369 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

O=C=NS(=O)(=O)c1ccccc1

InChI

1S/C7H5NO3S/c9-6-8-12(10,11)7-4-2-1-3-5-7/h1-5H

InChI key

UJYAZVSPFMJCLW-UHFFFAOYSA-N

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General description

Benzenesulfonyl isocyanate reacts with ethanol and phenol to yield normal urethan products.

Application

Benzenesulfonyl isocyanate was used in synthesis of sterically hindered derivatives of phenols and alcohols. It was also used in the reaction of semi crystalline poly(ether ether ketone) films with carbonyl selective reagents to produce modified film samples.

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1

WGK

WGK 3

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

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Surface modifications of poly (ether ether ketone).
Franchina NL and McCarthy TJ.
Macromolecules, 24(11), 3045-3049 (1991)
The Chemistry of Benzenesulfonyl Isocyanate. I. Identification of Hindered Phenols and Alcohols1.
McFarland JW and Howard JB.
The Journal of Organic Chemistry, 30(3), 957-958 (1965)

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